1. Abasias abdias abelias abetalipoproteinaemias abetalipoproteinemias ablutomanias aboulias abrachias abronias abrosias abulias acacias acanthias acanthokeratodermias acatalasemias Achlorhydrias achondroplasias achromasias achromatopias achromatopsias achromias acidaemias acidemias acontias actias actinias adansonias adipsias adularias adynamias